/*
 * Copyright 2010 - 2011, The PLDesktop Development Team
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */

#ifndef PLJAVA_ATTRIBUTE_CODE_STACK_H
#define PLJAVA_ATTRIBUTE_CODE_STACK_H

#include <PLJavaFile.h>
#include <filetypes/PLJavaStackValue.h>

#include <stdio.h>

namespace PLSDK {

/**
 * The stack management class for a methode.
 */
class PLJavaAttributeCodeStack {
public:
    /**
     * Constructor.
     *
     * @param newMaxStackSize The max size of the stack.
     */
    PLJavaAttributeCodeStack(u2 newMaxStackSize);
    /**
     * Destructor.
     */
    virtual ~PLJavaAttributeCodeStack();
    /**
     * Push data on the Stack.
     *
     * @param data The data to push.
     */
    void push(PLJavaStackValue *data);
    /**
     * Pop a element from the Stack.
     *
     * @return The element from the Stack.
     */
    PLJavaStackValue *pop();
    /**
     * Is the stack empty.
     *
     * @return True if the stack was empty.
     */
    inline bool isEmpty();
private:
    u2 m_maxStackSize;
    u2 m_stackPos;
    PLJavaStackValue **m_stack;
    bool m_empty;
};

bool PLJavaAttributeCodeStack::isEmpty() {
    return m_empty;
}

}

#endif
